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Finding the Fourth Proportional to 37.22, 50.97 and 33.57

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Solution

The fourth proportional to 37.22, 50.97 and 33.57 is: 45.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.22 : 50.97 = 33.57 : x
  2. Step 2: Convert to fraction form
    37.22/50.97 = 33.57/x
  3. Step 3: Cross multiply
    37.22x = 50.97 × 33.57
  4. Step 4: Simplify right side
    37.22x = 1,711.06
  5. Step 5: Solve for x
    x = 1,711.06/37.22
  6. Step 6: Final answer
    x = 45.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.